Granted Patent
Utility
US 4,772,243 · App. 07/041,836
Child's toy oven with access door safety latch
Inventor:
Ernest Zeiss
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Apr 23, 1987
Inventor
Ernest Zeiss
Assignee (at issue)
G. Pierce Toy Manufacturing Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.